Political and commercial geology and the world's mineral resources

This edition has images. LoC No.: 20020017 Title: Political and commercial geology and the world's mineral resources Edition: 1st edition, 2nd impression Original Publication: United States: McGraw-Hill Book Company, Inc., 1920. Credits: Charlene Taylor, Harry Lamé and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Summary: "Political and Commercial Geology and...